Models
Which AI should I use for my task?
A simple map to choose between writing, summarizing, investigating, programming, or automating.
Guides
What do you want to learn how to do with AI?
Start by what you want to solve: write, research, program, automate, compare costs or apply AI in a small business.
Recommended route
If you start from scratch, open first Which AI should I use for my task?. Then compare costs, privacy and tools according to real use.
Models
Savings
Am I paying too much for AI?
Free, monthly plan or API: a guide to not turning curiosity into fixed expense.
Comparison
What difference is there between ChatGPT, Claude, Gemini and Copilot?
Practical differences without brand fanaticism or empty rankings.